Improphantes complicatus (Emerton, 1882)
| FAMILY: LINYPHIIDAE Blackwall, 1859 Genus: Improphantes Saaristo & Tanasevitch, 1996 Species: Improphantes complicatus (Emerton, 1882)  |
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Author: Shorthouse, David P.  Page in progress:  Visitor Comments:  (0)
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Common Names
Family Common Name:
dwarf & sheetweb weavers
Genus Common Name:
none
Species Common Name:
none
Point Collections & Seasonality
Global Distribution: Holarctic
Nearctic States & Provinces: AB YT CO NH
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Seasonality
Specimen Search
Specimen list |
, 62
Natural History & Image(s)
Feeding Guild:† wandering sheet/tangle weavers
†Feeding guild when noted defined by Uetz, G. W., J. Halaj, and A. B. Cady. 1999. Guild structure of spiders in major crops. Journal of Arachnology 27:270-280. PDF
Habitat (published): deciduous and coniferous leaf litter
Habitat (<30 randomly chosen specimens): Mixedwood , contiguous forest; Deciduous-dominant forest, 50% standing trees; Aspen-Spruce Forest; Coniferous-dominant forest, 10% standing trees; Mixedwood forest, 75% standing trees; Aspen, grass, willow; Riparian; Along creek; Lodgepole Pine closed Forest;
Life & Natural History: (not yet recorded or unknown)
Image(s) of Habitus: 
email an image
Details About Males
Description: (not yet recorded or unknown)
| Male Dimensions: (Dimensions not yet available) |
Image of External Male Genitalia: email an image |
Details About Females
Description: (not yet recorded or unknown)
| Female Dimensions: (Dimensions not yet available) |
Image of Epigynum: email an image |
Synonyms and Chresonyms‡
Taxonomic References‡
Agnarsson, I. 1996. Íslenskar köngulaer. Fjölrit Nàttùrufraedistofnunar 31: 1-175.
Banks, N. 1892. The spider fauna of the Upper Cayuga Lake Basin. Proc. Acad. nat. Sci. Philad. 1892: 11-81.
Braendegaard, J. 1946. The spiders (Araneina) of East Greenland: A faunistic and zoogeographical investigation. Meddr Grønland 121(15): 1-128.
Braendegaard, J. 1932. Araneae. In Isländische Spinnentiere. Göteb. Kongl. Vetensk. Samh. Handl. (5B) 2(7): 8-36.
Chamberlin, R. V. 1921. Linyphiidae of St. Paul Island, Alaska. Jour. New York Ent. Soc. 29: 35-43.
Chamberlin, R. V. & W. Ivie. 1947. The spiders of Alaska. Bull. Univ. Utah 37(10): 1-103.
Emerton, J. H. 1882. New England spiders of the family Theridiidae. Trans. Conn. Acad. Arts Sci. 6: 1-86.
Heimer, S. & W. Nentwig. 1991. Spinnen Mitteleuropas: Ein Bestimmungsbuch. Verlag Paul Parey, Berlin, 543 pp.
Holm, Å. 1958. The spiders of the Isfjord region of Spitsbergen. Zool. Bidr. Upps. 33: 29-67.
Jackson, A. R. 1914. A contribution to the spider fauna of Scotland. Proc. Roy. Phys. Soc. Edinbg. 19: 107-128.
Keyserling, E. 1886. Die Spinnen Amerikas. Theridiidae. Nürnberg, 2: 1-295.
Locket, G. H. & A. F. Millidge. 1953. British spiders. Ray Society, London, 2: 1-449.
Marx, G. 1890. Catalogue of the described Araneae of temperate North America. Proc. U. S. nat. Mus. 12: 497-594.
Merrett, P. 2004. Notes on the revision of British Lepthyphantes species. Newsl. Br. arachnol. Soc. 100: 20-21.
Pakhorukov, N. M. 1981. [Spiders of the fam. Linyphiidae of the USSR forest fauna]. In Fauna and ecology of insects. Univ. of Perm, pp. 71-85.
Pakhorukov, N. M. & A. S. Utochkin. 1977. Little known and new for the fauna of the USSR species of spiders of the family Linyphiidae (Aranei) from the northern Ural. Ent. Obozr. 56: 907-911.
Palmgren, P. 1975. Die Spinnenfauna Finnlands und Ostfennoskandiens VI: Linyphiidae 1. Fauna fenn. 28: 1-102.
Paquin, P. & N. Dupérré. 2003. Guide d'identification des araignées de Québec. Fabreries, Suppl. 11 1-251.
Roberts, M. J. 1987. The spiders of Great Britain and Ireland, Volume 2: Linyphiidae and check list. Harley Books, Colchester, England.
Saaristo, M. I. & A. V. Tanasevitch. 1996. Redelimitation of the subfamily Micronetinae Hull, 1920 and the genus Lepthyphantes Menge, 1866 with descriptions of some new genera (Aranei, Linyphiidae). Ber. nat.-med. Verein Innsbruck 83: 163-186.
Sorensen, W. 1898. Arachnida Groenlandica (Acaris exceptis). Vidensk. Meddel. naturh. Foren. Kjöbenh 1898: 176-235.
Strand, E. 1911. Araneae. In König, A. (ed.), Avifauna Spitzbergensis. Forschungsreisen nach der Bären-Insel und dem Spitzbergen-Archipel mit ihren faunistischen und floristischen Ergebnissen. Bonn, pp. 280-283.
Thaler, K. 1986. Vier bemerkenswerte Leptyphantes-Arten aus dem Mittelmeergebiet und aus Vorderasien (Arachnida: Aranei, Linyphiidae). Sber. öst. Akad. Wiss. (I) 194: 311-325.
Thaler, K. 1983. Bemerkenswerte Spinnenfunde in Nordtirol (Österreich) und Nachbarländern: Deckennetspinnen, Linyphiidae (Arachnida: Aranei). Veröff. Mus. Ferdinandeum Innsbr. 63: 135-167.
Wanless, F. R. 1973. The female genitalia of British spiders of the genus Lepthyphantes (Linyphiidae) II. Bull. Br. arachnol. Soc. 2: 127-142.
Wanless, F. R. 1971. The female genitalia of the spider genus Lepthyphantes (Linyphiidae). Bull. Br. arachnol. Soc. 2: 20-28.
Wozny, M. 1982. Lepthyphantes complicatus (Emerton) new spider species for Polish fauna. Przegla. zool. 26: 399-401.
Wunderlich, J. 1995. Linyphiidae aus der Mongolei (Arachnida: Araneae). Beitr. Araneol. 4: 479-529.
Zorsch, H. M. 1937. The spider genus Lepthyphantes in the United States. Amer. Midl. Nat. 18: 856-898. 
‡Nomenclature and taxonomic references from the World Spider Catalog
Natural History References
Aitchison-Benell, C. W. & C. D. Dondale. 1990. A checklist of Manitoba spiders (Araneae) with notes on geographic relationships. Naturaliste can. 117: 215-237.
Latest Literature from uBio: 
Author of this page in progress: Shorthouse, David P. dshorthouse(at)eol.org
Text Last Modified: 2005-06-15T22:54:52Z